WELL · 42-003-00950 · DISTRICT 8
McCollum F. T. & Wiebusch G. W. #3
Andrews County · Wemac (Wolfcamp) field · Vertical
Mccollum F. T. & Wiebusch G. W. #3 (API 42-003-00950) is a well in Andrews County operated by Zarvona Energy LLC, completed March 9, 2005.
The RRC has issued one drilling permit (amended twice), issued April 21, 2004, permitted to 11,000 ft.
Completion filings report 6 formation tops, including Grayburg, San Andres, Glorieta, Clear Fork.
Its 2 leases have reported 98.5K barrels of oil and 67.9K mcf of gas since January 1993, last reporting in July 2026. The leases carry 5 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Mar 4, 2026 · 98 permits on file · (713) 600-0600
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Zarvona Energy LLC |
| Production reports | Zarvona Energy LLCthrough Apr 2026 |
| Latest permit | Cardwell Oil CorporationApr 21, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,000
- total depth, ft
- 3
- permits on file
- Apr 21, 2004
- last permit issued
- Mar 9, 2005
- completed
- 98.5K
- cumulative oil, bbl
- 67.9K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 9, 2005
- Shut in
- —
- Plugged
- —
Surface location
32.280801, -102.464268
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Andrews County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McCollum,f. T. & Wiebusch, G. W. O-10-7825 | Wemac (Wolfcamp) | Zarvona Energy LLC | 4 | 97.1K | 67.9K | Jan 1993 – Jul 2026 |
| McCollum,f. T. & Wiebusch, G. W. O-10-58006 | Spraberry (Trend Area) | Zarvona Energy LLC | 1 | 1.38K | 0 | Oct 2021 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,142 · prior 12 1,366(-16%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Conoco Inc.Jan 1993 → Mar 1993
- 2Merit Energy CompanyApr 1993 → Jul 1996
- 3Vista Resources, Inc. (A)Aug 1996 → Jun 1999
- 4Omar Operating CompanyJul 1999 → Nov 2003
- 5Cardwell Oil CorporationDec 2003 → Feb 2017
- 6Zarvona Energy LLCMar 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 544657-97 | Recompletion | Zarvona Energy LLC | Nov 16, 2022 | Apr 21, 2004 | May 24, 2004 | 11,000 |
| 544657-98 | Reenter | Cardwell Oil Corporation | Dec 27, 2016 | Apr 21, 2004 | May 24, 2004 | 7,700 |
| 544657-99 | Reenter | Cardwell Oil Corporation | Apr 19, 2004 | Apr 21, 2004 | May 24, 2004 | 7,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-7825 | — | — | — | — |
| — | — O-10-58006 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 250 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Grayburg | 4,600 | -4,350 |
| San Andres | 4,797 | -4,547 |
| Glorieta | 5,586 | -5,336 |
| Clear ForkCLEARFORK | 6,950 | -6,700 |
| Clear ForkLOWER CLEAR FORK | 7,245 | -6,995 |
| Clear ForkLOWER CLEARFORK | 7,245 | -6,995 |
| Dean | 8,444 | -8,194 |
| Wolfcamp | 8,569 | -8,319 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,423 | 7,439 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 212 | 17.5 | 250 S |
| 9.625 | 5,091 | 12.5 | 3,200 S |
| 4.5 | 7,610 | 6 | 75 S |
| 7 | 9,304 | 8.5 | 310 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 13, 2023 | Jan 13, 2023 | — |
| 00 | Dec 6, 2022 | Oct 27, 2022 | — |
| 00 | Nov 21, 2017 | Jul 13, 2017 | Yes |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-003-00950 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-00950 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Big Max 1-1 Unit42-003-47729
2.8 KM · Zarvona Energy LLC · Section with this well →
| Yates | 3,040 | 68 |
| Seven Rivers | 3,318 | -210 |
| Queen | 4,127 | -1,019 |
| Grayburg | 4,608 | -1,500 |
| San Andres | 5,052 | -1,944 |
| Clear Fork | 7,042 | -3,934 |
| Glorieta | — | |
| Tubb | — |
10 TOPS · FIRST 8
Big Max 1342-003-47937
3.0 KM · Zarvona Energy LLC · Section with this well →
| Clear Fork | — | |
| Queen | — | |
| Permian (undifferentiated) | — | |
| Holt | — | |
| Grayburg | — | |
| Glorieta | — | |
| Yates | — | |
| Tubb | — |
10 TOPS · FIRST 8
UL Digger42-003-41770
3.6 KM · Windsor Permian LLC · Section with this well →
| Clear Fork | 7,062 | -3,983 |
| Spraberry | 8,030 | -4,951 |
| Spraberry | 8,050 | -4,971 |
| Wolfcamp | 8,697 | -5,618 |
| Strawn | 10,470 | -7,391 |
University 1-3 D42-003-47876
3.9 KM · Zarvona Energy LLC · Section with this well →
| Yates | 3,126 | 0 |
| Seven Rivers | 3,381 | -255 |
| Grayburg | 4,615 | -1,489 |
| San Andres | 4,951 | -1,825 |
| Glorieta | 5,562 | -2,436 |
| Clear Fork | 6,890 | -3,764 |
| Queen | — | |
| Holt | — |
10 TOPS · FIRST 8
University 1-3 C42-003-47875
3.9 KM · Zarvona Energy LLC · Section with this well →
| Yates | 3,026 | 101 |
| Seven Rivers | 3,301 | -174 |
| Grayburg | 4,611 | -1,484 |
| San Andres | 4,947 | -1,820 |
| Glorieta | 5,550 | -2,423 |
| Clear Fork | 6,724 | -3,597 |
| Mississippian | 10,513 | -7,386 |
| Queen | — |
11 TOPS · FIRST 8
University 1-3 B42-003-47874
4.5 KM · Zarvona Energy LLC · Section with this well →
| Yates | 3,126 | 2 |
| Seven Rivers | 3,360 | -232 |
| Queen | 4,552 | -1,424 |
| Grayburg | 4,615 | -1,487 |
| Clear Fork | 4,615 | -1,487 |
| San Andres | 4,908 | -1,780 |
| Glorieta | 5,484 | -2,356 |
| Tubb | 6,891 | -3,763 |
10 TOPS · FIRST 8
University 1-3 A42-003-47873
4.5 KM · Zarvona Energy LLC · Section with this well →
| Yates | 3,126 | 2 |
| Seven Rivers | 3,374 | -246 |
| Grayburg | 4,611 | -1,483 |
| San Andres | 4,947 | -1,819 |
| Glorieta | 5,550 | -2,422 |
| Clear Fork | 6,890 | -3,762 |
| Leon | 7,059 | -3,931 |
| Wichita-Albany | 7,420 | -4,292 |
14 TOPS · FIRST 8
UL G 1-4 Unit42-003-47740
5.2 KM · Elevation Resources LLC · Section with this well →
| Yates | 1,869 | 1,295 |
| Queen | 2,300 | 864 |
| San Andres | 4,890 | -1,726 |
| Glorieta | 5,564 | -2,400 |
| Clear Fork | 6,574 | -3,410 |
| Wolfcamp | 8,525 | -5,361 |
| Strawn | 9,743 | -6,579 |
| Pennsylvanian | 10,002 | -6,838 |
14 TOPS · FIRST 8
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/00300950, documented in the API reference.